Thermal insulating device



FIG. 1 is a front elevational view of a thermal insulating device, laid out flat, showing my new design;

FIG. 2 is a perspective view, from the front and top, showing the device with its ends facing one another;

FIG. 3 is a perspective view, from the front and top, showing the device with its ends overlapped and snaps fastened;

FIG. 4 is a perspective view thereof, partially inverted;

FIG. 5 is a perspective view thereof, completely inverted; and,

FIG. 6 is a perspective view like FIG. 5, showing the device in place on a beverage bottle.

The broken lines represent the claimed design in use on a bottle and form no part of the claim. 

The ornamental design for a thermal insulating device, as shown and described. 